Honda Pioneer SXS700M2P 2019 Owner's Manual page 39

Coolant temperature gauge failure:
If the coolant temperature system has an error, the coolant
temperature gauge will blink and appear in the display, and/or high
coolant/oil temperature indicator will turn on.
If this occurs, see your dealer as soon as possible.
coolant temperature gauge
Indicators & Displays
high coolant/oil
temperature indicator
Instruments & Controls 29